The recorded words are subjected to sonic processing; from subtle to drastic or not at all. The aim is to bring out what is within the words and how their import be experienced in consensus with the speaker's interpretation.
Many variations are possible this is one example.
The text is taken from a long letter written at the end of the 19th century from one of the founders of the theosophical society during the formative stages of the latter.
This has been translated and is spoken here in german. zedex